Pen cap stylus



FIG. 1 is a perspective view of a pen cap stylus showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof, being a mirror image of the view from the left side;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a pen cap stylus, as shown and described. 